Page 233 - ICSE Math 6

PRACTICE TIME

1. Find the perimeter of each of the following figures.

5 cm 3 cm
4 cm 5 cm
6 cm
3 cm 6 cm
8 cm
(a) (b) (c)

2. Find the perimeter of a square with a side of length:
(a) 7.5 cm (b) 6.6 cm (c) 13 m (d) 22.2 cm

3. The perimeter of a rectangle is 52 cm and its length is 14 cm. Find its breadth.
4. Find the cost of fencing a triangular lawn with sides 10 m, 12 m and 9 m at the rate of ` 60 per
metre.

5. An athlete takes 3 rounds of a rectangular ground with dimension 14 m by 16 m. Find the distance
covered by him.

6. A rectangular tabletop has its sides in the ratio 3 : 5 and its perimeter is 32 m. Find the length
and breadth of the tabletop.
7. The perimeter of a triangular sheet of paper is 31 cm. Its shortest side is 5 cm and its longest side
is thrice of the shortest side. Find the length of the third side.

8. The perimeter of an equilateral triangle is 66 cm. Find the perimeter of a square whose side is
half of the side of the triangle.

2
9. The area of a square is 64 m . Find the perimeter of the square.
10. A rectangle has dimensions 8 m by 32 m. A square has the same area as that of the rectangle.
Find the perimeter of the square.

11. A rectangular cloth is of measure 12 m by 9 m and another cloth is of measure 8 m by 13 m.
Which cloth will cost more if they are made of the same fabric?
12. A square and a rectangle have equal areas. If each side of the square is 12 cm and length of the
rectangle is 18 cm. Find: (a) area of the square (b) breadth of the rectangle

13. Find the area of the shaded region.

13 m
1 m
(a) 6 m 10 m (b) 1 m 3 m

2 m 3 m

14. A floor measuring 7 m by 6 m is to be carpeted. What length of the carpet will be enough to
cover the floor, if the width of the carpet is 3 m?

217